condition mean min max 12pM Fe,Midday 45.705 45.705 45.705 12pM Fe,Midnight 37.9701 34.5492 41.391 58pM Fe,Midday 34.8304 34.8304 34.8304 58pM Fe,Midnight 25.34182857142857 0.0 30.8599 233pM Fe,Midnight 19.000899999999998 18.1391 20.1561 1160pM Fe,Midday 29.583671428571428 23.6342 33.4251 1160pM Fe,Midnight 16.854525833333334 8.55091 23.3831 High carbon,Dark 38.027620666666664 7.27861 77.2952 High carbon,Light 44.25539692307692 7.46706 74.3109 Low carbon,Dark 32.3372 32.3372 32.3372 Phloroglucinol 17.528166666666667 11.8901 27.2651 Silicon starvation,12h 33.4702 33.4702 33.4702